From 2d60abc2a937bf77575c3b8c83faeeb84a84e654 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Thu, 3 Jan 2008 20:43:21 -0800 Subject: [PATCH] [XFRM]: Do not define km_migrate() if !CONFIG_XFRM_MIGRATE In include/net/xfrm.h we find : #ifdef CONFIG_XFRM_MIGRATE extern int km_migrate(struct xfrm_selector *sel, u8 dir, u8 type, struct xfrm_migrate *m, int num_bundles); ... #endif We can also guard the function body itself in net/xfrm/xfrm_state.c with same condition. (Problem spoted by sparse checker) make C=2 net/xfrm/xfrm_state.o ... net/xfrm/xfrm_state.c:1765:5: warning: symbol 'km_migrate' was not declared. Should it be static? ... Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/xfrm/xfrm_state.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index ee1e69753932..f26aaaca1fae 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -1749,6 +1749,7 @@ void km_policy_expired(struct xfrm_policy *pol, int dir, int hard, u32 pid) } EXPORT_SYMBOL(km_policy_expired); +#ifdef CONFIG_XFRM_MIGRATE int km_migrate(struct xfrm_selector *sel, u8 dir, u8 type, struct xfrm_migrate *m, int num_migrate) { @@ -1768,6 +1769,7 @@ int km_migrate(struct xfrm_selector *sel, u8 dir, u8 type, return err; } EXPORT_SYMBOL(km_migrate); +#endif int km_report(u8 proto, struct xfrm_selector *sel, xfrm_address_t *addr) { -- 2.20.1